about SGA

Elevating communities & places through thoughtful design

Rediscovering Identity.

Reinvigorating Places.

Empowering Communities.

Envisioning Experiences.

Stromberg/Garrigan & Associates, Inc., is a community planning, urban design, and landscape architecture consulting firm focused on the revitalization of established communities and the creative development of new places. The firm has offices in Jenkintown, PA (Philadelphia Metro), Pittsburgh, PA, and Norfolk, VA. 

The primary focus of the firm’s work is the clean-up and revitalization of brownfields and environmentally contaminated properties. Whether to attract private investment through the development of new buildings or the creation of new public resources, such as parks and public spaces, SGA works closely with our clients to develop viable and implement-able solutions that transform community liabilities into treasured assets.

Integrity

Our team exemplifies personal and professional integrity. We believe in shared accountability, ownership, and recognition.

Passion

We are passionate about delivering the best possible solution to our client through innovative design that advances the state-of-the-art design practice.

Collaboration

Multi-disciplinary thought, background, and place adds value to our practice and design philosophy.

Core Values

Core values define a company’s beliefs, guide decision-making and foster a unified culture. They focus collective efforts on shared goals, ensuring alignment with the company’s mission and creating a purpose-driven work environment. At SGA, we strive for greatness through our six core values.

Stewardship

We recognize that our decisions today will impact places and communities in the future, and it is our responsibility to do right by our environment.

Practicality

Focused on tangible success.

Growth

We believe learning never stops and continuously improves through professional development and constructive feedback.

Our team

Timothy Stromberg 
PLA, CBLP, ASLA

Principal / Landscape Architect

Sean Garrigan
RLA, AICP, ASLA

Principal / Landscape Architect

Mike Fox
PLA, ASLA

Principal / Landscape Architect

Kate Cerone

Principal / Director of Design Communications

Jessica Stuck
AIA, CCS, CDT, LEED AP

Architecture Practice Leader

Jarrod Katzer
PLA, ASLA, VNLA

Senior Landscape Architect

Ashlie Ranhorn

Office Administrator

Michael Stromberg
PE

Professional Engineer

Phillip Wu
AICP, LEED AP BD+C

Project Planner

Jenna Wargo
AICP

Senior Project Planner

Mandy Stamnitz
PLA, ASLA, CBLP

Landscape Architect

Anna Withrow Leisher

Project Planner

Amy Ahn Baade
AIA, WELL AP

Project Architect

Feifei Huang

Landscape Designer

Alex White

Landscape Designer

Hejing Feng

Landscape Designer

Yuehui Gong

Landscape Designer

Leah Scabilloni

Architectural Designer

Owen Baylosis

Project Planner/GIS Specialist

Brooke Burnette

Brooke Burnette

Graphic Designer

Becky Weyant

Administrative Assistant

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